Work diaries, 1936-1945, of John Bulkeley Jones, recording details of his work as livestock officer with the Ministry of Agriculture, Fisheries and Food (MAFF, mainly in Cardiganshire).

Papers of John Legonna, including correspondence with Per Denez, Alan Heusaff, Goulven Pennaod (George Pinault), Harri Webb and others; diaries; poetry; prose; autobiographical notes and personal reflections; farming records; college notes on Welsh and Irish history and law; material relating to Legonna's political views and his activities with Welsh and Celtic nationalist organisations, especially Mudiad Gweriniaethol Cymru (Welsh Republican Movement), the Welsh National Party, and the New Nation Movement and its journal, 'Cilmeri'; printed and cyclostyled ephemera; personal and family records; miscellaneous printed material relating to Christopher Murray Grieve, 'Hugh MacDiarmid'; programmes for local eisteddfodau at Llannon and Llanrhystud; and typescript drafts of unpublished plays.

Diaries of Joseph Jenkins, 1839-1870. The earliest full diary is the one for 1845 and they are written in English as he wished to improve his command of the language. They contain details of agricultural life in rural Ceredigion with daily reports on the weather and his work, references to weddings, funerals, visitors and local events, together with a diary of his voyage to Australia, 1868-1869. Englynion (verses in strict metre) and stanzas in free metre, composed in Welsh in response to events or at the request of other people, are included in the diaries.

Papers, 1839-1971, relating to farming in Cardiganshire, including agricultural notebooks, 1839-1919, accounts for payments to servants, 1879-1894, accounts of live and dead stock, 1879-1887; business letters, 1890-1918, letters to Richard Phillips, 1890-1901; personal letters, 1868-1971; literary material, late 19th cent.-1940; domestic accounts, 1898-1930; diaries, 1898-1954; papers relating to Tabor Calvinistic Methodist Chapel, Llangwyryfon, 1860-1926; and to Talybont school, and Llanilar parish council papers, 1892-1899.

Diaries of Joseph Jenkins, 1839-1870, and his daughter Anne Jenkins, 1886-1947, together with miscellaneous notebooks and papers of members of the Trecefel family, 1859-1947.